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Abstract
The mean meridional circulation derived from wind observations is combined with surface torque and mountain torque measurements to obtain a complete angular momentum budget for the northern Hemisphere between 15°N and 70°N for summer and winter. A previously proposed scheme of vertical flux of angular momentum involving downward flux everywhere except in the lower layers of the tropical easterlies is confirmed. The layer of zero vertical flux in the tropics is approximately at the level of maximum easterly wind.
